Cheapest return flights from Ontario to Keflavik in August from 586€

AirHint found the following cheapest return flights from Ontario (ONT) to Keflavik (KEF) in August 2026 (see full year).

Return flights

18 Aug - 26 Aug Alaska Airlines
19 Aug - 27 Aug Alaska Airlines
17 Aug - 25 Aug Alaska Airlines
03 Aug - 11 Aug Alaska Airlines
24 Aug - 01 Sep Alaska Airlines
25 Aug - 02 Sep Alaska Airlines
26 Aug - 03 Sep Alaska Airlines
31 Aug - 08 Sep Alaska Airlines
20 Aug - 28 Aug Alaska Airlines
23 Aug - 31 Aug Alaska Airlines
27 Aug - 04 Sep Alaska Airlines
21 Aug - 29 Aug Alaska Airlines
28 Aug - 05 Sep Alaska Airlines
30 Aug - 07 Sep Alaska Airlines
22 Aug - 30 Aug Alaska Airlines
29 Aug - 06 Sep Alaska Airlines
16 Aug - 24 Aug Alaska Airlines
01 Aug - 09 Aug Alaska Airlines

Also check the deals for one-way flights from Ontario to Keflavik in August.

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.